20101391 (number)

20101391 is an odd 8-digits composite number following 20101390 and preceding 20101392. In scientific notation, it is written as 2.0101391 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 19671840 positive integers (up to 20101391) that are relatively prime to 20101391.

Interesting facts

Basic properties

Name

Name twenty million one hundred one thousand three hundred ninety-one

Notation

Scientific notation 2.0101391 × 10^7
Engineering notation 2.0101391 × 10^6

Prime Factorization of 20101391

Prime Factorization 61 × 229 × 1439

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20101391
Product of the distinct prime numbers

The prime factorization of 20101391 is 61 × 229 × 1439. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20101391)

Multiplication

n×y
n×2 40202782
n×3 60304173
n×4 80405564
n×5 100506955

Division

n÷y
n÷2 10050695.5
n÷3 6700463.6666667
n÷3 5025347.75
n÷5 4020278.2

Exponentiation

ny
n2 404065920134881
n3 8.122287050406E+21
n4 1.6326926781445E+29
n5 3.2819393906219E+36

Nth Root

y√n
2√n 4483.4574827916
3√n 271.89968456896
4√n 66.958625156074
5√n 28.883194330589

Divisors of 20101391

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20101390
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20101391 can be divided by 8 positive divisors. The sum of these divisors (counting 20101391) is 1, the average is 0.125.

Base conversion 20101391

Base System Value
2 Binary 1001100101011100100001111
3 Ternary 1101211020220222
4 Quaternary 1030223210033
5 Quinary 20121221031
6 Senary 1554501555
8 Octal 114534417
10 Decimal 20101391
12 Duodecimal 68948bb
16 Hexadecimal 132b90f
20 Vigesimal 65cd9b
36 Base36 byubz

Cryptographic Hash Functions

md5 6fe4ecb2e0881d590cf6b542ce8dd8f8
sha1 a93d60f01ccabe6b8bb0fc1a442bbb8c98418712
sha256 04380f37199894242200ccaa8ff8226a19d4dfa0d81677a57b58fff3142655f0
sha512 e68e93dd62638e4db04174d2afce00545e5cac6c8e56dc991c020e81310bca5c975052829b2ad71ebbb131142dfb355894ff29e53748319f67058d38bce265c7
ripemd-160 1e25baac50b6d9b4dbb61dc0c65c478efd651461

20101391 as geometric shapes

Circle

Radius = n
Diameter 40202782
Circumference 126300764.58507
Area 1.2694105262617E+15

Sphere

Radius = n
Volume 3.4022556437204E+22
Surface area 5.077642105047E+15
Circumference 126300764.58507

Square

Length = n
Perimeter 80405564
Area 404065920134881
Diagonal 28427659.774764

Cube

Length = n
Surface area 2424395520809286
Volume 8.122287050406E+21
Space diagonal 34816630.514808

Equilateral Triangle

Length = n
Perimeter 60304173
Area 1.7496567582017E+14
Altitude 17408315.257404

Triangular Pyramid

Length = n
Surface area 1.7496567582017E+14
Volume 9.5722070868096E+20
Height 9475886.5915882